HP 414X (W2020X) Black Original GENUINE OEM LaserJet Toner Cartridge Colour:BLACK Standard yield: Cartridge yield (approx): 7,500 pages HIGH YIELD Original GENUINE OEM Cartridge HP Printer compatibility: HP Color LaserJet Pro M454dn, HP M454dw LaserJet Pro MFP M479dw, HP M479fnw, HP M479fdw